US Bridges

Coraopolis Imp. RD over Mcclarens Run

Fair

Allegheny County, Pennsylvania · MC06 Mcclarens Run # 6 · Structure no. 000000000002335

Built
1983
42 years old
Condition
Fair
inspected September 2023
Type
Culvert
Steel
Length
26 ft
1 main span
Daily traffic
1,526
2005 count
Owner
County
County Highway Agency

About this bridge

Coraopolis Imp. RD over Mcclarens Run is a steel culvert carrying Coraopolis Imp. RD over Mcclarens Run in Allegheny County, Pennsylvania. It was built in 1983, so it is 42 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,526 vehicles a day, roughly 3% of them trucks, projected to reach 1,700 by 2025. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCoraopolis Imp. RD
CrossesMcclarens Run
LocationMC06 Mcclarens Run # 6
RouteCounty Highway 0
Coordinates40.47456, -80.21127
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span26 ft (7.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck25 ft (7.6 m)

Traffic and service

Average daily traffic1,526 (2005)
Projected traffic1,700 by 2025
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Coraopolis Imp. RD over Mcclarens Run built?

It was built in 1983, making it 42 years old in 2025.

What condition is Coraopolis Imp. RD over Mcclarens Run in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does Coraopolis Imp. RD over Mcclarens Run carry?

About 1,526 vehicles per day (2005 count), of which roughly 3% are trucks.

How long is Coraopolis Imp. RD over Mcclarens Run?

The structure is 26 ft (7.9 m) long with a longest span of 26 ft (7.9 m).

Who owns Coraopolis Imp. RD over Mcclarens Run?

It is owned by the County Highway Agency.